Analyzing New Physics in {$\bar{B}^0 \to D^{(\ast)}\tau^-\bar\nu_{\tau}$}

Tran, C. T.; Ivanov, M. A.; Körner, J. G.

Report/Contribution to a conference proceedings/Contribution to a book

PUBDB-2017-06843

Analyzing New Physics in {$\bar{B}^0 \to D^{(\ast)}\tau^-\bar\nu_{\tau}$}

Tran, C. T. ; Ivanov, M. A. ; Körner, J. G.

2017
Verlag Deutsches Elektronen-Synchrotron Hamburg
ISBN: 978-3-945931-07-3, 978-3-945931-07-3

Tran, C. T. "Analyzing New Physics in {$\bar{B}^0 \to D^{(\ast)}\tau^-\bar\nu_{\tau}$}" in Proceedings of the Helmholtz International Summer School 2016 (HQ 2016) : Quantum Field Theory at the Limits : from Strong Fields to Heavy Quarks / Ali, Ahmed, Blaschke, David, Issadykov, Aidos, Ivanov, Mikhail (eds.), Verlag Deutsches Elektronen-Synchrotron : 2017 ; HQ 2016 : Helmholtz International Summer School 2016, 2016-07-18 - 2016-07-30, Dubna
Quantum Field Theory at the Limits, HQ 2016, Dubna, Russia, 18 Jul 2016 - 30 Jul 2016 Hamburg : Verlag Deutsches Elektronen-Synchrotron, DESY-PROC 326-338 (2017) [10.3204/DESY-PROC-2016-04/Tran]

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Report No.: DESY-PROC-2016-04

Abstract: We discuss possible new physics (NP) effects beyond the standard model (SM) in the exclusive decays $\bar{B}^0 \to D^{(\ast)} \tau^- \bar{\nu}_{\tau}$. Starting with a model-independent effective Hamiltonian including non-SM four-Fermi operators, we show how to obtain experimental constraints on different NP scenarios and investigate their effects on a large set of physical observables. The $\bar{B}^0 \to D^{(\ast)}$ transition form factors are calculated in the full kinematic $q^2$ range by employing the covariant confined quark model developed by our group.

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